package containers;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

class StringAddress {
	private String s;
	public StringAddress(String s){
		this.s = s;
	}
	public String toString(){
		return super.toString()+" "+s;
	}
}
public class FillingLists {
	public static void main(String[] args){
		List<StringAddress> list = new ArrayList<StringAddress>(Collections.nCopies(4,new StringAddress("Hello")));
		System.out.println(list);
		Collections.fill(list,new StringAddress("World!"));
		System.out.println(list);
	}
}
